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QCon London: How Duolingo Sent 4 Million Push Notifications in 6 Seconds During the Super Bowl Break
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As part of the Super Bowl marketing campaign, Duolingo sent out 4 million mobile push notifications when the company's five-second ad aired during the commercial break. At QCon London, Doulingo's engineers presented the asynchronous AWS architecture responsible for broadcasting messages to millions of users across seven US cities.
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